diff --git a/doc/03-cli.md b/doc/03-cli.md
index 7db7d6239..add0663eb 100644
--- a/doc/03-cli.md
+++ b/doc/03-cli.md
@@ -112,6 +112,8 @@ resolution.
 * **--classmap-authoritative (-a):** Autoload classes from the classmap only.
   Implicitly enables `--optimize-autoloader`.
 * **--apcu-autoloader:** Use APCu to cache found/not-found classes.
+* **--apcu-autoloader-prefix:** Use a custom prefix for the APCu autoloader cache.
+  Implicitly enables `--apcu-autoloader`.
 * **--ignore-platform-reqs:** ignore all platform requirements (`php`, `hhvm`,
   `lib-*` and `ext-*`) and force the installation even if the local machine does
   not fulfill these.
@@ -189,6 +191,8 @@ php composer.phar update vendor/package:2.0.1 vendor/package2:3.0.*
 * **--classmap-authoritative (-a):** Autoload classes from the classmap only.
   Implicitly enables `--optimize-autoloader`.
 * **--apcu-autoloader:** Use APCu to cache found/not-found classes.
+* **--apcu-autoloader-prefix:** Use a custom prefix for the APCu autoloader cache.
+  Implicitly enables `--apcu-autoloader`.
 * **--ignore-platform-reqs:** ignore all platform requirements (`php`, `hhvm`,
   `lib-*` and `ext-*`) and force the installation even if the local machine does
   not fulfill these.
@@ -256,6 +260,8 @@ If you do not specify a package, composer will prompt you to search for a packag
 * **--classmap-authoritative (-a):** Autoload classes from the classmap only.
   Implicitly enables `--optimize-autoloader`.
 * **--apcu-autoloader:** Use APCu to cache found/not-found classes.
+* **--apcu-autoloader-prefix:** Use a custom prefix for the APCu autoloader cache.
+  Implicitly enables `--apcu-autoloader`.
 
 ## remove
 
@@ -295,6 +301,8 @@ uninstalled.
 * **--classmap-authoritative (-a):** Autoload classes from the classmap only.
   Implicitly enables `--optimize-autoloader`.
 * **--apcu-autoloader:** Use APCu to cache found/not-found classes.
+* **--apcu-autoloader-prefix:** Use a custom prefix for the APCu autoloader cache.
+  Implicitly enables `--apcu-autoloader`.
 
 ## check-platform-reqs
 
@@ -774,6 +782,8 @@ performance.
 * **--classmap-authoritative (-a):** Autoload classes from the classmap only.
   Implicitly enables `--optimize`.
 * **--apcu:** Use APCu to cache found/not-found classes.
+* **--apcu-prefix:** Use a custom prefix for the APCu autoloader cache.
+  Implicitly enables `--apcu`.
 * **--no-dev:** Disables autoload-dev rules.
 * **--ignore-platform-reqs:** ignore all `php`, `hhvm`, `lib-*` and `ext-*`
   requirements and skip the [platform check](07-runtime.md#platform-check) for these.